Vasiliy Gavrilovich Grabin (9 January 1900 - 18 April 1980) was a Soviet

Soviet Union

The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 artillery designer. He led a design bureau (TsAKB) at Joseph Stalin Factory No. 92

Joseph Stalin Factory No. 92

Joseph Stalin Factory No. 92 was a Soviet artillery factory in the Sormovo district of Gorky. It included the TsAKB artillery design bureau led by Vasiliy Grabin.Its products included* ZiS-2 57mm antitank gun...

 in Gorky (Nizhny Novgorod

Nizhny Novgorod

Nizhny Novgorod , colloquially shortened to Nizhny, is, with the population of 1,250,615, the fifth largest city in Russia, ranking after Moscow, St. Petersburg, Novosibirsk, and Yekaterinburg...

).

Grabin was chief designer of ZiS-3

ZiS-3

The 76-mm divisional gun M1942 was a Soviet 76.2 mm divisional field gun used during World War II. ZiS was a factory designation and stood for Zavod imeni Stalina , the honorific title of Artillery Factory No...

, the 76.2-mm divisional field gun, which was the most numerous cannon of World War II (over 103000 cannons were buit).

Grabin was the first who used ergonomics

Ergonomics

Ergonomics is the study of designing equipment and devices that fit the human body, its movements, and its cognitive abilities.The International Ergonomics Association defines ergonomics as follows:...

in cannon construction (before the word ergonomics appears). In the 1930-s he used physiologist consultation to optimize the design of cannons.